{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machine or equipment", "material", "machanical property", "concept or principle", "engineering feature", "enabling technology"], "input": "Part size in additive manufacturing is limited by the size of building area of AM equipment ."}
{"machine or equipment": [], "material": [], "machanical property": [], "concept or principle": [], "engineering feature": [], "enabling technology": []}